* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #ececec;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.container {
  max-width: 800px;
  width: 100%;
}

h1 {
  text-align: center;
  color: white;
  margin-bottom: 20px;
  font-size: 2.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.progress {
  text-align: center;
  color: white;
  margin-bottom: 30px;
  font-size: 1rem;
  font-weight: 500;
}

.questions-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.questions-container .card {
  background-color: transparent;
}

.card {
  background: white;
  border-radius: 10px;
  overflow: visible;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card.revealed {
  background: #f0f5ff;
}

.question {
  padding: 30px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  font-size: 1.4rem;
  font-weight: 600;
  cursor: default;
  margin-bottom: 20px;
  border-radius: 8px
}

.answer-container {
  padding: 25px;
  background: #f9f9f9;
  color: #333;
  font-size: 1.1rem;
  line-height: 1.8;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  transition: all 0.3s ease;
  position: relative;
}

.answer-container:not(.show):hover {
  background: #f0f0f0;
  border-color: #667eea;
  cursor: pointer;

}

.answer-label {
  display: block;
  font-weight: bold;
  color: #667eea;
  font-size: 1.1rem;
  font-size: 40px;
  text-align: center;
  width: 100%;
  margin-bottom: 0;
}

.answer-text {
  color: #555;
  font-size: 1.1rem;
  line-height: 1.8;
}

.next-button {
  display: none;
  margin-top: 25px;
  padding: 14px 40px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translate(-50%, 150%);
}

.answer-container.show .next-button {
  display: block;
}

.next-button:hover {
  transform: translate(-50%, 150%) scale(1.05);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

/* Mobile responsiveness */
@media (max-width: 600px) {
  h1 {
    font-size: 1.8rem;
  }

  .question {
    padding: 20px;
    font-size: 1rem;
  }

  .answer-container {
    padding: 20px;
  }

  .answer-container.show {
    padding: 20px;
  }
}